Light Comes On When Car Is Started

1993 Saab 9000 CD, 2.3 B, StandardSECTION Light Comes On When Car Is Started
  1. Turn ignition on. Check for battery voltage at brake fluid reservoir 2-pin connector terminal No. 2 (White wire) and ground at connector terminal No. 1 (Brown wire). If no voltage is present, ensure battery voltage is present at instrument cluster connector terminal No. 5 (Green/White wire).
  2. If voltages are to specification, there is no fault in power supply. Check bulb. If voltages are not to specification, check power supply circuit for an open circuit or short to ground.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.